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The ability to control the magnetization switching in nanoscale devices is a crucial step for the development of fast and reliable techniques to store and process information. Here we show that the switching dynamics can be controlled…

Mesoscale and Nanoscale Physics · Physics 2014-10-09 Guillaume Klughertz , Paul-Antoine Hervieux , Giovanni Manfredi

Controlling photon emission by single quantum emitters with nanostructures is crucial for scalable on-chip quantum information processing. Nowadays nanoresonators can affect the lifetime of emitters and ultimately induce strong coupling…

Quantum Physics · Physics 2014-11-26 B. le Feber , N. Rotenberg , L. Kuipers

The development of fast magnonic information processing nanodevices requires operating with short spin-wave pulses, but, the shorter the pulses, the more affected they are by information loss due to broadening and dispersion. The capability…

Mesoscale and Nanoscale Physics · Physics 2022-09-15 Silvia Casulleras , Sebastian Knauer , Qi Wang , Oriol Romero-Isart , Andrii V. Chumak , Carlos Gonzalez-Ballestero

Interferometers and beam splitters are fundamental building blocks for photonic neuromorphic and quantum computing machinery. In waveguide-based photonic integrated circuits, beam-splitting is achieved with directional couplers that rely on…

Mesoscale and Nanoscale Physics · Physics 2024-06-10 Yandong Li , Minwoo Jung , Yang Yu , Yuchen Han , Baile Zhang , Gennady Shvets

Manipulation of magnetization by electric field is a central goal of spintronics because it enables energy-efficient operation of spin-based devices. Spin wave devices are promising candidates for low-power information processing but a…

Spin wave propagation and dynamic control are essential for reconfigurable magnonic and spintronic devices. Here, tunable mode coupling and band hybridisation are demonstrated in a nanopatterned bicomponent magnonic crystal consisting of a…

Mesoscale and Nanoscale Physics · Physics 2026-05-22 Nikhil Kumar

We suggest using spatially modulated strain for control of a spin wave propagating inside a bulk magnet. The modulation with the wave vector $q=2k$, by virtue of magnetoelasticity, mixes spin waves with wave vectors near $k$ and $-k$. This…

Materials Science · Physics 2022-01-11 Ankang Liu , Alexander M. Finkel'stein

We have realized a nano-electromechanical hybrid system consisting of a silicon nitride beam dielectrically coupled to a superconducting microwave resonator. We characterize the sample by making use of the Duffing nonlinearity of the…

Mesoscale and Nanoscale Physics · Physics 2015-01-21 Matthias Pernpeintner , Thomas Faust , Fredrik Hocke , Jörg P. Kotthaus , Eva M. Weig , Hans Huebl , Rudolf Gross

The electromagnetic field scattered by nano-objects contains a broad range of wave vectors and can be efficiently coupled to waveguided modes. The dominant contribution to scattering from subwavelength dielectric and plasmonic nanoparticles…

Present information and communication technologies are largely based on electronic devices, which suffer from heat generation and high power consumption. Alternatives like spintronics and magnonics, which harness the spin degree of freedom,…

Directional coupling of light in nanophotonic circuits has recently attracted increasing interest, with numerous experimental realizations based on broken rotational or mirror symmetries of the light-matter system. The most prominent…

A spin wave majority fork-like structure with feature size of 40\,nm, is presented and investigated, through micromagnetic simulations. The structure consists of three merging out-of-plane magnetization spin wave buses and four…

A domain wall (DW) in a nanowire can propagate under a longitudinal magnetic field by emitting spin waves (SWs). We numerically investigated the properties of SWs emitted by the DW motion, such as frequency and wavenumber, and their…

Mesoscale and Nanoscale Physics · Physics 2015-06-22 X. S. Wang , X. R. Wang

We suggest and demonstrate via large scale numerical simulations an electrically operated spin- wave inducer based on composite multiferroic junctions. Specifcally, we consider an interfacially coupled ferromagnetic/ferroelectric structure…

Mesoscale and Nanoscale Physics · Physics 2017-03-08 X. -G. Wang , A. Sukhov , L. Chotorlishvili , C. -L. Jia , G. -H. Guo , J. Berakdar

We show that an electric field can induce nonreciprocal spin wave dispersion in magnetic insulators with negligible spin-orbit coupling. The electric field controls the direction and magnitude of nonreciprocity through a nonlinear…

Strongly Correlated Electrons · Physics 2025-07-15 Xiao-Hui Li , Yuan-Ming Lu , Yuan Wan

Spin dynamics of field-driven domain walls (DWs) guided by Permalloy nanowires are studied by high-speed magneto-optic polarimetry and numerical simulations. DW velocities and spin configurations are determined as functions of longitudinal…

Mesoscale and Nanoscale Physics · Physics 2016-09-05 Jusang Yang , Geoffrey S. D. Beach , Carl Knutson , James L. Erskine

Magnetic droplets are strongly nonlinear and localized spin-wave solitons that can be formed in current-driven nanocontacts. Here, we propose a simple way to launch droplets in an inhomogeneous nanoscopic waveguide. We use the drift motion…

Mesoscale and Nanoscale Physics · Physics 2020-02-18 Morteza Mohseni , Qi Wang , Majid Mohseni , Thomas Brächer , Burkard Hillebrands , Philipp Pirro

We found by micromagnetic simulations that the motion of a transverse wall (TW) type domain wall in magnetic thin-film nanostripes can be manipulated via interaction with spin waves (SWs) propagating through the TW. The velocity of the TW…

The use of spin waves as a signal carrier requires developing the functional elements allowing for multiplexing and demultiplexing information coded at different wavelengths. For this purpose, we propose a system of thin ferromagnetic…

Mesoscale and Nanoscale Physics · Physics 2021-05-25 Pierre Roberjot , Krzysztof Szulc , Jarosław W. Kłos , Maciej Krawczyk

The efficient excitation of spin waves is a key challenge in the realization of magnonic devices. We demonstrate the current-driven generation of spin waves in antiferromagnetically coupled magnetic vortices. We employ time-resolved…

Mesoscale and Nanoscale Physics · Physics 2024-02-27 Sabri Koraltan , Katrin Schultheiss , Florian Bruckner , Markus Weigand , Claas Abert , Dieter Suess , Sebastian Wintz
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